Will the global testosterone decline accelerate the shift to robot warfare?

The Pentagon has introduced mandatory testosterone screening for active-duty service members aged 30 and older, with US Defence Secretary Pete Hegseth saying the policy is intended to strengthen combat readiness. Announcing the programme earlier this month, Hegseth said it would help ensure troops remained “strong, resilient and capable”. He argued that the demands of modern warfare required “maximum psychological and mental readiness”. He also stressed that the initiative had “nothing to do...